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. (No Model.)

J. P. DODDQ ENVELOPE. No. 299358.

UNITED Srarns PATENT Orrrcio.

JAMES F. DODD, OF DELAWARE, OHIO, ASSIGNOR TO OTIS F. PRESBREY AND FRANK M. GREEN, BOTH OF WASHINGTON, D. O.

ENVELOPE.

SPECIFICATION forming part of Letters Patent No. 299,358, dated May 27, 1884.

Application filed April 4, 1883. (No model.)

1'0 all whom it may concern;

Be it known that I, J AMES F. Donn, of the city and county of Delaware, State of Ohio, have invented certain Improvements in Envelopes, of which the following is a specification.

My invention is a combined paper and envelope constructed as fully described hereinafter, so as to avoid the objections of such articles heretofore made.

In the drawings, Figure l is a perspective View illustrating one construction of my improved combined paper and envelope as it appears when opened. Fig. 2 is a perspec-v tive view as the article appears when folded prior to sealing; Fig. 3, a back View, one end sealed, the other not.

The sheet or body portion A, which is to be written upon, is oblong in shape, of any suitable dimensions, and is preferably scored transversely on lines a; as, so as to divide the sheet into two, three, or more equal sections, a a a".

From the sides of that section a which is to constitute the outer address-receiving portion of the article extend wings or flaps d d, the paper being perforated or scored on lines 7/ between the flaps and the body-section, and from the upper edge of said section extends another flap, 6, narrow at the center. As thus constructed, the body A of the sheet may be written upon, and the respective sections may besuccessively foldedupon each otherandupon the section a to the position shown in Fig. 2. The side and end flaps or wings, d 6, may now be folded down upon the face of the back section and upon each other, as shown at the right in Fig. 3, thereby closing the end and sides so effectually that inspection of the interioris absolutely prevented, and such a perfect envelope formed that any articles placed therein before sealing will be prevented from escaping and securely retained. The flaps are sealed by gum applied to the back face of the back section at the points 8 s, where the flaps cover the same on being turned down. By this means I avoid folding back the flaps to pre vent moistening the gum when the letter is press'copied. I am also enabled to secure both the top and side flaps by gum applied at one point, instead of at two places, as will be necessary if the flaps are gummed.

To effect a more secure attachment, holes t are made in one of the flaps, which is then first turned down, andthe other flap is sealed by contact with the gum at the points where the first folded flap is cut away.

The perfectclosing of all the edges is important, not only to secure and seal the contents, but also to prevent the accidental introduction of other matter,the injury which would result from the forcing of other letters or packages into the open ends during transportation, or the catching of other letters in sorting or arranging prior to stamping.

If the flap e were of uniform width, there would be a tendency of the folded flap to spring away at the center, so that other letters could catch beneath the same. I therefore contract the width of the flap at the center, as shown, which causes the edges to lie close to the back section, even if the flap is not gummed down throughout its whole can tent.

The perforating of the sheet on the lines between the flaps and the body permits the sheet to be readily separated on these lines on opening the article, and preserves the rectangular form for filing.

I claim" A combined letter-sheet and envelope, consisting of a rectangular body portion capable of being folded upon itself and having gum upon its outer side, a narrow perforated end flap adapted to be folded upon the back of the body, and side flaps adapted to be folded upon the perforated end flap and body of the sheet, whereby the envelope is securely sealed, as set forth.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

. JAMES F. DODD.

lVitnesses:

CHAS. O. LITTLE, IV. S. LITTLE. 

